import router from "./router";
import { ElMessage } from "element-plus";
import NProgress from "nprogress";
import "nprogress/nprogress.css";
import { getToken } from "@/utils/auth";
import { getQuery } from "@/utils";
import { isHttp } from "@/utils/validate";
import { isRelogin } from "@/utils/request";
import useUserStore from "@/store/modules/user";
import useSettingsStore from "@/store/modules/settings";
import usePermissionStore from "@/store/modules/permission";

NProgress.configure({ showSpinner: false });

const whiteList = ["/login", "/register"];

function afterLogin(to, from, next) {
  isRelogin.show = true;
  // 判断当前用户是否已拉取完user_info信息
  useUserStore()
    .getInfo()
    .then(() => {
      isRelogin.show = false;
      usePermissionStore()
        .generateRoutes()
        .then((accessRoutes) => {
          // 根据roles权限生成可访问的路由表
          accessRoutes.forEach((route) => {
            if (!isHttp(route.path)) {
              router.addRoute(route); // 动态添加可访问路由表
            }
          });
          next({ ...to, replace: true }); // hack方法 确保addRoutes已完成
        });
    })
    .catch((err) => {
      useUserStore()
        .logOut()
        .then(() => {
          ElMessage.error(err);
          next({ path: "/" });
        });
    });
}

function noToken(to, from, next) {
  // 没有token
  if (whiteList.indexOf(to.path) !== -1) {
    // 在免登录白名单，直接进入
    next();
  } else {
    next(`/login?redirect=${to.fullPath}`); // 否则全部重定向到登录页
    NProgress.done();
  }
}

router.beforeEach((to, from, next) => {
  NProgress.start();
  if (getToken()) {
    to.meta.title && useSettingsStore().setTitle(to.meta.title);
    /* has token*/
    if (to.path === "/login") {
      next({ path: "/" });
      NProgress.done();
    } else if (whiteList.indexOf(to.path) !== -1) {
      next();
    } else {
      if (useUserStore().roles.length === 0) {
        afterLogin(to, from, next);
      } else {
        next();
      }
    }
  } else {
    // 没有token
    noToken(to, from, next);
  }
});

router.afterEach(() => {
  NProgress.done();
});
